Built with a non-EGR design, the Performer 351-W Edelbrock Intake Manifold is street legal in all 50 states so drivers everywhere can take advantage of its advanced performance gains. It provides ideal operation whether the engine is being idled or run at up to 5,500 rpm, so owners benefit in just about all driving situations. Vehicles with 4 bbl carburetors benefit most from this durable, cast intake manifold. It is the optimal replacement for a worn or damaged component, and will contribute to restoring the original function of the engine. Owners can not only expect to extend the life of their vehicle. They get a product built on decades of innovation and limitless engineering possibilities as Edelbrock has sought to push the envelope with each new invention. Invested in the racing industry, it has also brought quality and versatility to products in the consumer automotive market. The daily drivability and solid performance that belong to a high-quality vehicle are reasons for the purchase of OEM and aftermarket components with the same quality; outstanding parts don't always have to require a second mortgage. Even the finest cars and trucks demand routine maintenance or new replacement parts. If it happens that your car starts running rough, the optimum plan is acquiring a new high-quality replacement or OEM component to restore your vehicle in the best condition.